Cetakan Kubus Beton

Return to Previous Page

Product Description

Jual Mesin Core Drill Aspal | Core Drilling Test Set | Alat Lab Aspal
Mesin Core Drill Aspal
Cetakan Silinder Beton

Cetakan Kubus Beton

Bona Indo Teknik

Categories: , Tags: ,

Description

Cetakan Kubus Beton , Concrete Cube Mold , Alat Uji beton

Cast besi, untuk membentuk sampel kotak atau Kubus beton
Concrete Cube Mold : 15 x 15 x 15 cm
Gross Weight : 12-15 kg

 

Reviews

There are no reviews yet.

Leave a reply

Returns and Exchanges

There are a few important things to keep in mind when returning a product you purchased.You can return unwanted items by post within 7 working days of receipt of your goods.

  • You have 14 calendar days to return an item from the date you received it. 
  • Only items that have been purchased directly from Us.
  • Please ensure that the item you are returning is repackaged with all elements.

Ship your item back to Us

Firstly Print and return this Returns Form to:

30 South Park Avenue, San Francisco, CA 94108, USA
Please remember to ensure that the item you are returning is repackaged with all elements.

For more information, view our full Returns and Exchanges information.

Untuk Info Hubungi :

Herlan
Telp : 021-62305669
HP : 081288225507
e-mail : bonaindoteknik@yahoo.com

Rahmat
HP : 081381758933
e-mail : bonaindoteknik123@yahoo.com

ALAMAT KAMI :
Gedung Lindeteves Trade Centre ( LTC ) GLODOK
Lt2 Blok A2 No.20
Jln. Hayam Wuruk No.127 Jakarta Barat 11180

 

Related Products

Reflux Extractor Test Set, Alat Uji Aspal , Alat Laboratorium Teknik Sipil
Quick View
Reflux Extractor Test Set
Reflux Extractor Test Set ASTM D-2172 / AASHTO T-164 For determining bitument content in hot mixed paving mixture and pavement sample BI-311 :Reflux Extractor Consist of : BI-311.1 : Glass Jar : Pyrex 6" i.d approx. = 1 Pc BI-311.2 : Funnel : Two wire mesh screen cone = 1 Pc BI-311.3 : Condensor : Brass/copper = 1 Pc BI-312 : Hot Plate : 220 V-AC, 1000/1500 Watt = 1 Set BI-313 : Filter Paper : Low ash filter paper = 1 Box GE-216 : Asbestos Wire Gauze : 15 cm x 15 cm = 1 Pc Also required, but not part of this set : BI-304 Solvent (CCL4) GE-152 Triple Beam Balance GE-174 Drying Oven GE-203 Cooling System Dimension (l x w x h) : 90 x 50 x 50 cm Gross Weight : 15 kg
Core Drilling Test Set , Core Drill Asphalt , Mesin Core Aspal , Alat Laboratorium Aspal Atau Alat Uji Aspal
Quick View
Core Drilling Test Set
Bona Indo Teknik
Diamond Core Bit Husqvarna 3 Inch , Mata Coring Beton
Quick View
Diamond Core Bit Husqvarna 3 Inch
Diamond Core Bit Husqvarna Husqvarna D865 Diameter Luar : Ø 82mm ( 3 Inch ) Conector : 1'' 1/4 Length : 450 mm For Concrete
Jual Field CBR Test set | Alat CBR Lapangan | CBR Lapangan Murah
Quick View
Field CBR Test set
Field CBR Test Set-alat CBR Lapangan CBR Lapangan ( (California Bearing Ratio) atau Field CBR Test Set adalah pengujian pada tanah yang dilakukan dengan cara pembebanan penetrasi tanah yang dilakukan dalam laboratorium ataupun dilapangan. ASTM D-4429
Jual Hammer Test Matest C380 | Jual Hammer Test Beton Matest
Quick View
Hammer Test Matest C380
Concrete Test Hammer Matest C380 Spring impact energy 0,225 mkg.(2,207 Joule) Suitable for finished concrete structures and buildings having strength resistances from 10 to 70 N/sq.mm Supplied complete with calibration curve chart in N/mm 2 (Mpa) values, abrasive stone, carrying case. Dimensions:dia.80 x 340 mm Weight:3 Kg   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Jual Concrete Injection Pump | Grouting Machine | Suntik Beton
Quick View
Concrete Injection Pump
Concrete Injection Pump, Grouting Machine, Suntik Beton   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
vibrating table , Jual vibrating table , jual alat uji beton
Quick View
Vibrating Table
Vibrating Table Konstruksi baja 50 x 50 cm meja kotak kontrol terpisah, variabel kecepatan hingga 3.600 rpm. Untuk compacting agregat dalam wadah baja atau sampel beton dalam kubus / cetakan silinder. Dimensi ( l x w x h) : 55 x 55 x 85 cm Berat : 70 kg
Concrete Hammer Test Sadt HT-225A , Jual Hammer Test Beton HT-225A
Quick View
Concrete Hammer Test Sadt HT-225A
Quick View
Mata Core Drill Aspal Hoffman
Mata Core Drill Aspal Hoffman   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Moisture Content Test Set , Alat Uji Tanah , Alat Laboratorium Teknik Sipil
Quick View
Moisture Content Test Set
Moisture Content Test Set For determining moisture content of soil sample. GE-150 : Cent O-Gram Balance 311 gr cap., 0.01 gr sens : 1 Pc GE-174 : Drying Oven : 53 ltr capacity, internal dimension ( l x w x h) 400 x 400 x 330 mm, 220 V, 1400 W = 1pc GE-390 : Thin Box : Alumunium, 60 gr capacity = 12 Pcs GE-451 : Dessicator : Transparant glass, 24 cm dia. approx.= 1 Pc Also required, but not part of this set: GE-455 : Silica Gel Dimension ( l x w x h) : 80 x 80 x 110 cm Gross Weight : 100 kg
Jual saringan Mesh | Sieve Ayakan Mesh | Test Sieve Analysis
Quick View
Saringan Mesh
For determining grain size distribution of soil particles or sand/ gravel. Diameter : 8 Inch Tinggi 7 cm Frame Material : Brass/ Kuningan Mesh Material : Stainless Steel   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Jual Digital Concrete Hammer Test Sadt HT-225D | Hammer Test Digital
Quick View
Digital Concrete Hammer Test Sadt HT-225D
Digital Concrete Hammer Test Sadt HT-225D   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Slump Test Set | Slump Test Set Bahan Stainless Steel | Kerucut Abrams
Quick View
Slump Test Set
Slump Test Set, Slump Test Set Bahan Stainless Steel, Kerucut Abrams PERALATAN : Slump Cone Stainless Steel ( 10 X 20 X 30 Cm ) Base Plate Stainless Steel Scoop Stainess Steel Trowel Brush Tamping Rod Measuring tape   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Diamond Core Bit Husqvarna 5 Inch , Mata Coring Huqvarna , Mata Coring Beton
Quick View
Diamond Core Bit Husqvarna 5 Inch
Diamond Core Bit Husqvarna Husqvarna D865 Diameter Luar : Ø 127mm ( 5 Inch ) Conector : 1'' 1/4 Length : 450 mm For Concrete
Jual Hydrometer Analysis Test Set | Alat Lab Tanah | Alat Teknik Sipil
Quick View
Hydrometer Analysis Test Set
Hydrometer Analysis Test Set For determining grain size distribution of fine soil sample. Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
JUAL SAND CONE TEST | Sand Cone Test Set | Jual alat lab tanah
Quick View
Sand Cone Test Set
Sand Cone Test Set ASTM D-1556 / AASHTO T-191 For determining the density of compacted soil in place.   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
JUAL SPEEDY MOISTURE TESTER | Speedy moisture tester SO-430
Quick View
Speedy Moisture Tester
Speedy Moisture Tester Media Teknologi : SO-430; SPEEDY MOISTURE TESTER, AASHTO T-217 For determining the moisture content of soil by means of calcium carbide gas pressure meter.   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Benkelman Beam ,pengujian kelendutan aspal , Alat Laboratorium Aspal Atau Alat Uji Aspal
Quick View
Benkelman Beam
Benkelman Beam For measuring the deflection of flexible pavent under the action of moving wheel loads Fixed Beam : Aluminium profile frame, 3 points adjuster, with vibrator and dial holder aluminium Strips arm 1 : 2 Lever ratio 1 Set Tire Gauge : 120 psi capacity 1 Pc Surface Thermometer : Range 0-100′ C 1 Pc Dial Indicator Range : 30 mm x 0.01 mm Dimension ( l x w x h ) : 244 X 50 X 50 cm Weight : 45 kg
Jual Hammer Test Beton HT225A | Hammer Test Beton Murah
Quick View
Hammer Test Beton HT225A
Hammer Test Beton HT225A Measuring Range : 10-70N/mm² Impact energy : 0.225kgm ( 2.207Nm )   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Thermometer Aspal , Thermometer Asphalt , Alat Uji Aspal , Alat Laboratorium Teknik Sipil
Quick View
Thermometer Aspal
Thermometer Aspal Range : 0°C -300°C Dial Size : 2' ' Stem Length : 6' '
JUAL CBR LAPANGAN | Jual Field CBR Test | Alat uji CBR Test | Alat Lab Tanah
Quick View
CBR Lapangan
CBR Lapangan , CBR (California Bearing Ratio) adalah perbandingan antara beban penetrasi suatu lapisan tanah atau perkerasan terhadap bahan standar dengan kedalaman dan kecepatan penetrasi yang sama.   Cara Order Produk…!!! Hubungi CS Kami Melalui Kontak WA atau email di sebelah kanan ini
Hammer Sampel Tanah , Soil Core Sampler Kit , Alat Uji Tanah
Quick View
Hammer Sampel Tanah
Hammer Pengambil Sampel Soil Core Sampler Kit Material Pemukul Carbon Steel Tempat Sample Tanah : Stainless Steel Panjang keseluruhan : 120 cm Slide Hammer : 60 cm Termasuk 1 unit Sampler Tube : 2'' X 2'' ( Stainless Steel ) Cara menggunakan : alat ini dipukulkan ketanah, setelah tanah masuk ke ring maka sampelnya diambil untuk di uji
Jual Dynamic Cone Penetrometer | Jual DCP Test | Alat Uji Tanah
Quick View
Dynamic Cone Penetrometer
Dynamic Cone Penetrometer, DCP Test, Alat lab tanah For rapid determination of field CBR value ( rapid quality control) . Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Diamond Wheel Tokyo 14 Inch , Mata Pisau Potong Beton
Quick View
Diamond Wheel Tokyo 14 Inch
Bona Indo Teknik
Vertical Cylinder Capping Set , Alat Uji Beton
Quick View
Vertical Cylinder Capping Set
Bona Indo Teknik
Jual Sieve Shaker Electric | Sieve Shaker Murah | Alat lab Tanah
Quick View
Sieve Shaker Electric
Sieve Shaker Electric Soil sieve shaker set electric digunakan untuk mengayak tanah dengan berbagai macam mesh. Soil sieve shaker set electric mempunyai berbagai macam mesh opening, agar semua ukuran yang diinginkan bisa terpenuhi. Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Jual Kerucut abrams | Slump Test Beton Stainless Steel | Slump Test
Quick View
Kerucut abrams
Kerucut Abrams, Slump Test Beton Stainless Steel Slump pada dasarnya merupakan salah satu pengetesan sederhana untuk mengetahui workability beton segar sebelum diterima dan diaplikasikan dalam pekerjaan pengecoran. PERALATAN : Slump Cone Stainless Steel ( 10 X 20 X 30 Cm ) Base Plate Stainless Steel Scoop Stainess Steel Trowel Brush Tamping Rod Measuring tape   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Marshall Test Set , Alat Uji Aspal , Alat Laboratorium Teknik Sipil
Quick View
Marshall Test Set
Marshall Test Set ASTM D-1559 AASHTO T-245 For determining the resistance to plastic flow of cylinder specimen of bituminous paving mixture loaded on the lateralsurface by means of the marshall apparatus. BI-321 Compression Machine Steel frame, electric, 220 V-AC, 1/ 2 HP, 1 Phase, speed: 2 " per minute 1 Set BI-322 Compaction Mold Machined steel, galvanized, 4 " dia., 3 " height, with collar and base plate 1 Set BI-323 Stability Mold Cast alumunium, split type 4 " i.d., 4 " wide1 Set BI-324 Compaction Hammer Machined steel, galvanized, 10 lbs, hammer weight, 18 " drop height 1Set BI-326 Compaction Pedestal Wooden base with steel platen 1 Pc BI-327 Compaction Mold Holder Machined steel, quick clamping system 1 Set BI-328 Extruder Steel frame, hydraulic system 1 Set BI-329 Flow Meter Cast alumunium, clamping bolt, with dial indicator 30 x 0.01 mm 1 Set GE-200 Water Bath Stainless steel, water heater 220 V-AC, thermostat 30-85oC 1 Set GE-101.6 Proving Ring 6000 lbs capacity 1 Set Dimension ( l x w x h) : 67x50x100cm Gross Weight: 200 kg
Jual Cetakan Mortar Cement | Cetakan Mortar 50 x 50 x 50 mm
Quick View
Cetakan Mortar Cement
Cement Cube Mold-Cetakan Mortar Cast besi, untuk membentuk sampel Cement Cement Cube Mold : 50 X 50 X 50 mm Gross Weight : 5,2 kg   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Bor Sampel tanah , Jual Bor sampel tanah stainless steel
Quick View
Bor Sampel Tanah
Bor Sample Tanah Set Bor ini digunakan untuk analisa atau pengambilan sampel tanah yang akan di uji Type : BST-BIT02 Material : Stainless Steel Auger Head dia 9 cm x 38 cm Handle Tee  solid dia 2,8 X 40cm : 1 unit Drilling Rod Solid dia 2,8 cm x 1m : 2 unit Adjustable Spanner : 2 unit Material Pemukul Carbon Steel Tempat Sample Tanah : Stainless Steel Panjang keseluruhan : 120 cm Slide Hammer : 60 cm Termasuk 1 unit Sampler Tube : 2'' X 2'' ( Stainless Steel )
Liquid Limit Test Set , Liquid Limit Device , Alat Uji Tanah , Alat Teknik Sipil
Quick View
Liquid Limit Test Set
Liquid Limit Test Set ASTM D-4318 / AASHTO T-89 For determining liquit limit of soil sample. SO-311 : Liquid Limit Device : Hand operated, brass cup, hard rubber base : 1 Set SO-312 : ASTM Grooving Tool : Machined steel, head gauge : 1 Pc SO-313 : Cassagrande Grooving Tool : Brass plate : 1 Pc GE-390 : Thin Box : Alumunium, 60 gr capacity : 12 Pcs GE-396 : Glass Plate : Galss, 10 mm thick, 30 x 30 cm : 1 Pc GE-402 : Graduated Cylinder : 100 ml capacity : 1 Pc GE-501 : Porcelain Dish : 12 cm dia., 250 ml capacity : 1 Pc GE-820 : Spatula : 150 mm blade : 1 Pc GE-825 : Scraper : 100 mm blade : 1 Pc Also required, but not part of this set: SO-450 Moisture Content Test Set AG-232A Sieve No. 40 AG-250 Pan & Cover GE-511 Mortar and Pastle GE-521 Wash Bottle Dimension ( l x w x h) : 40 x 40 x 40 cm Gross Weight : 7 kg
Cetakan Silinder Beton Plastic , Alat Uji Beton , Alat Laboratorium Teknik Sipil
Quick View
Cetakan Silinder Beton
Cetakan Silinder Beton Plastik Cetakan Silinder Plastik , untuk membentuk sampel silinder beton Beton Silinder Mold: 15 cm diameter x 30 cm Material : Platic ABS
Quick View
Cetakan Silinder Beton
Bona Indo Teknik
Soil Hydrometer , Hydrometer Tanah , Alat Uji Tanah , Alat Laboratorium Teknik Sipil
Quick View
Soil Hydrometer
Soil Hydrometer ASTM ( E100 ) Type : 152H-62 Density Meas Range : -5+60 :1g/l Rel Temp : 68/68⁰F Total length : 11" (280mm)
Diamond Core Bits Asphalt ,Mata Core Aspal , Alat Uji Aspal , Alat Laboratorium Teknik Sipil
Quick View
Diamond Core Bits Asphalt
Diamond Core Bit Diameter Dalam : Ø 102mm ( 4 Inch ) 1-1/ 4" -7 Adaptor Length : 41 cm For Asphalt
Diamond Wheel Tokyo , Mata Pisau Potong Beton
Quick View
Diamond Wheel Tokyo
Bona Indo Teknik
Bor Sampel tanah stainless steel
Quick View
Bor Sampel Tanah
Bor tanah Stainless Steel Material : stainless steel Handle : Φ 2,8 cm x 40 cm Drilling Rod : Φ 2,8 cm x 1 meter Drilling Head : Φ 9 cm x 38 cm
Double Ring Infiltrometer | Alat Ukur Rembesan Air | Alat Uji Tanah
Quick View
Double Ring Infiltrometer
Double Ring Infiltrometer Double ring infiltrometer digunakan untuk mengukur Kecepatan Rembesan Air pada Permukaan tanah. Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Diamond Core Bit OPT , Mata Coring OPT , Mata Coring Beton
Quick View
Diamond Core Bit OPT
Diamond Core Bit OPT Diameter Luar : Ø 127mm ( 5 Inch ) Conector : 1'' 1/4 Length : 400 mm For Concrete
Jual Sieve Analysis | Saringan Mesh | Test Sieve Laboratory
Quick View
Sieve Analysis
Sieve Analysis, Saringan Mesh, Test Sieve Laboratory Diameter : 8 Inch Tinggi 7,5 cm Frame Material : Brass/ Kuningan   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Jual Compaction Test Set | Alat Lab Tanah | Jual Alat Teknik Sipil
Quick View
Compaction Test Set
Compaction Test Set ASTM D-698/D-1557 AASHTO T-99/T-180 For determining mosture - density relationship Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Cetakan Kubus Beton Plastic , Concrete Cube Mold , Cetakan Kubus Beton , Alat Uji Beton
Quick View
Cetakan Kubus Beton Plastik
Cetakan Kubus Beton Plastik  Cetakan Kubus Plastic untuk membentuk sampel Kotak atau kubus beton Concrete Cube Mold : 15 x 15 x 15 cm Toleransi : 0,15mm Gross Weight : 1,06 kg Material : Platic ABS
Bor Tanah Gambut Casing , Bor Sampel Tanah
Quick View
Bor Tanah Gambut Casing
Bor Tanah Gambut Casing Bor ini digunakan untuk analisa atau pengambilan sampel tanah gambut yang akan di uji Untuk kedalaman pengeboran maksimum 4 m Type : BTGC-BIT03 Material : Stainless Steel Handle Bor: Ø 2cm x 40 cm Drilling Rod 2 unit Ø 2cm x 1m Drilling Head panjang 1m Dilengkapi dengan tas
Jual Sieve Test Analysis | Sieve Analysis | Saringan Mesh | Sieve Test
Quick View
Sieve Test Analysis
Sieve Test Analysis Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Jual Slump Test Beton | Slump Test Stainless Steel | Slump Test set
Quick View
Slump Test Beton
Slump Test Beton Bahan Stainless Steel Slump Cone Stainless Steel ( 10 X 20 X 30 Cm ) Base Plate Stainless Steel Scoop Stainess Steel Trowel Brush Tamping Rod Measuring tape   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Jual Sondir Tanah 5 Ton | Alat Sondir Tanah | Sondir Test
Quick View
Sondir Tanah 5 Ton
Sondir Tanah, Sondir Test Sondir Tanah 5 Ton, Sondir Tanah 2,5 Ton   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Diamond Core Bit Husqvarna 4 Inch , Mata Coring Husqvarna , Mata Coring Beton
Quick View
Diamond Core Bit Husqvarna 4 Inch
Diamond Core Bit Husqvarna Husqvarna D865 Diameter Luar : Ø 102mm ( 4 Inch ) Conector : 1'' 1/4 Length : 450 mm For Concrete
Jual Digital Hammer Test Beton Sadt HT-225D | Jual Hammer test digital
Quick View
Digital Hammer Test Beton Sadt HT-225D
Digital Hammer Test Beton Sadt HT-225D Display : OLED digital Measuring range : 10-100N/mm2 Accuracy : ±0.1R Impact energy : 0.225kgm (2.207Nm) for testing ordinary building and bridge construction Communication : USB2.0 or Bluetooth Printing : Bluetooth micro printer (optional) Storage : Bluetooth micro printer (optional) Storage : 1000 parts, 256 data for each part Operating temperature : -40º-60ºC Power supply : 3.7V Li-ion rechargeable battery charged via USB port Dimension (mm) : 280x75x60 Net weight : 1.1kg   Cara Order Produk Atau Info Harga …!!! Hubungi CS Kami Melalui Kontak Telp/ Hp/ Wa/ email
Centrifuge Extractor Test Set , Alat Uji Aspal , Alat Laboratorium Teknik Sipil
Quick View
Centrifuge Extractor Test Set
Bona Indo Teknik
Compression Machine , Jual Alat uji beton
Quick View
Compression Machine
Compression Machine ASTM C-39 Electric Hydraulic Pump CO-325.4 = 2000 kN capacity For determining compressive strength of concrete cube 15 x 15 x15 cm or concrete cylinder 15 cm dia. x 30 cn height Frame : Heavy-duty welded steel construction 30 cm (profile steel columns 10 thick botttom and upper plate) Hydraulic System : For 2000 kN Cap. Mild-Steel cylinder,Hard-chromed piston, 230 mm diameterMaximum working pressure 50.000 kPa Overall dimension 300 mm dia. x 320 mm height Single action, gravity return Hydraulic Pump : Electric, 220 V AC, 50-60 HZ, 1000 Watt, 1 Phase Single action, variable speed 6.000 ml reservoir capacity Maximum working pressure 50.000 kPa Single action, gravity return Force Gauge : Bourdon tube manometer, 280 mm dial diameter With maximum load pointer. Steel box housing.Calibrated by JNK Compressive : Upper : 180 x 180 mm, ball seating Platen : Lower 250 mm diameter Clearance : Horizontal: 290 mm , Vertikal : 310 mm Dimension : 660 x 600 x 1400 mm (l x w x h) approx. Weight : 500 kg

Copyright © 2017 www.peralatan-teknik.com

close